checkcommits: Fix body line length error.
checkcommits: Fix body line length error.

The max line length and line number values, returned by
checkCommitBodyLine() as part of the error object were
transposed, leading to a confusing error message.

Signed-off-by: James O. D. Hunt <348fbaadfbada55ea105602bf5609e23ac1c4898@intel.com>

sboeuf/tests,sboeuf/tests,bwarden/tests,chavafg/tests,devimc/tests,clearcontainers/tests,chavafg/tests,GabyCT/tests,devimc/tests,clearcontainers/tests,bwarden/tests,MarioCarrilloA/tests,MarioCarrilloA/tests,GabyCT/tests